Flow price: --
c6e3e8504835d9e404a2e73109a66095921f88d9bc7f35bdea3a7483cb6bce3e

Transaction

Hash: c6e3e8504835d9e404a2e73109a66095921f88d9bc7f35bdea3a7483cb6bce3e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c6e3e8504835d9e404a2e73109a66095921f88d9bc7f35bdea3a7483cb6bce3e:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c6e3e8504835d9e404a2e73109a66095921f88d9bc7f35bdea3a7483cb6bce3e
Status:
ERROR
Block height:
39969446
Block id:
5a6a2129096535b94290d2257231baca2826f28d52c54d1af9dd906ac1b4681a
Timestamp:
Sunday 30 October 2022 at 05:32:08 UTC
()
Proposer:
Authorizers:
Gas used:
47